Health News

Heart palpitations are often the result of an excessively fast or irregular heart rhythm (cardiac arrhythmia). You may notice an irregular heartbeat, even if it lasts only a few seconds or minutes, and you may feel dizzy and fall. The palpitations may be infrequent or occur many times during the day. You might sense a [...]

There are many terms to describe heartburn, a very common complaint. It is a sensation of burning, sourness, or bitterness in the middle of the chest and the back of the throat. Heartburn is also known as water brash, pyrosis, or acid indigestion.

Acid is normally produced by the stomach to help in the digestion of [...]

The diagnosis of various diseases of the brain can sometimes be difficult. Scans and X-rays of the skull, including CAT and MRI scans, can determine any changes in the shape of the brain or pressure, but other tests are used to determine brain function.

An electroencephalogram (EEG), which measures brain waves, can be useful in determining [...]

Technical developments allow physicians to examine the internal organs without having to perform surgery. Nuclear scans, echograms, computerized axial tomography (CAT) scans, and magnetic resonance imaging (MRI) provide physicians with valuable knowledge, and with virtually no danger and little discomfort to you.

Nuclear-Medicine Scans

A nuclear-medicine scan uses extremely small doses of radioactive substances to outline various [...]

In addition to blood and urine, other fluids can provide important information. To get a sample of these fluids, a needle is inserted to extract the fluid. Although there is little danger from the procedure, it is more uncomfortable than the sampling of blood or urine.

The brain and spinal cord are surrounded by spinal fluid, [...]